Shelf unit



FIG. 1 is a perspective view of a shelf unit showing our new design;

FIG. 2 is a left side elevational view, the right side being a mirror image thereof;

FIG. 3 is a front and left side perspective view of a second embodiment of the shelf unit shown in FIG. 1, the rear and right side being a mirror image thereof;

FIG. 4 is a left side elevational view, the right side being identical thereto;

FIG. 5 is a front and left side perspective view of a third embodiment of the shelf unit shown in FIG. 1, the opposite side being a mirror image;

FIG. 6 is a front and left side perspective view of a fourth embodiment of the shelf unit shown in FIG. 1; and,

FIG. 7 is a left side elevational view of the left unit.

The rear of the shelf unit shown in FIGS. 1, 5 and 6 is flat and unornamented. 

The ornamental design for a shelf unit, as shown and described. 